linux-kernel - Re: [REGRESSION] threaded interrupt handler support breaks (some) irq handling on AVR32

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20090415095710.5c853a7f@hskinnemoen-d830>
Date:	Wed, 15 Apr 2009 09:57:10 +0200
From:	Haavard Skinnemoen <haavard.skinnemoen@...el.com>
To:	Ben Nizette <bn@...sdigital.com>
Cc:	tglx@...utronix.de, David Brownell <david-b@...bell.net>,
	hskinnemoen@...el.com, kernel@...32linux.org,
	linux-kernel@...r.kernel.org, imre.deak@...ia.com, mingo@...e.hu
Subject: Re: [REGRESSION] threaded interrupt handler support breaks (some)
 irq handling on AVR32

Ben Nizette wrote:
> static irqreturn_t ads7846_irq(int irq, void *handle)
> {
> 	struct ads7846 *ts = handle;
> 	unsigned long flags;
> 
> 	spin_lock_irqsave(&ts->lock, flags);
> 	if (likely(get_pendown_state(ts))) {
> 		if (!ts->irq_disabled) {
> 			/* The ARM do_simple_IRQ() dispatcher doesn't act
> 			 * like the other dispatchers:  it will report IRQs
> 			 * even after they've been disabled.  We work around
> 			 * that here.  (The "generic irq" framework may help...)
> 			 */
> 			ts->irq_disabled = 1;
> 			disable_irq(ts->spi->irq);

Shouldn't that be disable_irq_nosync()?

Haavard
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/